Home / 275,946.35-381,095.10-190,128.47

Finding the Fourth Proportional to 275,946.35, 381,095.10 and 190,128.47

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Solution

The fourth proportional to 275,946.35, 381,095.10 and 190,128.47 is: 262,576.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,946.35 : 381,095.10 = 190,128.47 : x
  2. Step 2: Convert to fraction form
    275,946.35/381,095.10 = 190,128.47/x
  3. Step 3: Cross multiply
    275,946.35x = 381,095.10 × 190,128.47
  4. Step 4: Simplify right side
    275,946.35x = 72,457,026,382.02
  5. Step 5: Solve for x
    x = 72,457,026,382.02/275,946.35
  6. Step 6: Final answer
    x = 262,576.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.